Avengers: Doomsday set photo leak reveals The Thing, Falcon and US Agent teaming up, teasing plot details for the upcoming crossover movie.

So too with The Fantastic Four, who are expected to be consigned to their own, separate reality for much of their upcoming debut film The Fantastic Four: First Steps. Though, as fans will know, Thunderbolts/The New Avengers already teased the quartet's arrival in the main MCU universe via a post-credits scene.

Doomsday plot leak is making the rounds, and if it’s legit, it might have just revealed everything that goes down in the movie’s first act. We're talking multiversal collisions, big team-ups, and the return of some very familiar faces.